FXMacroData

Rate Curve Analytics

rate_curve

Read-only

Return official government-nominal curve nodes, slopes, or derived forward segments for one currency. This is a subscriber data tool and preserves the endpoint's requested view and method metadata. Access: API key required, else returns subscription_required with a subscribe link.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "currency": "<currency>"
    },
    "name": "rate_curve"
  }
}

Input Schema

Name	Required	Description	Default
`date`	No	Optional target date, YYYY-MM-DD.
`view`	No	Curve view: tenor nodes, slopes or forward rates.	nodes
`method`	No	Forward derivation method when view is forwards.	derived_from_spot_nodes
`metric`	No	Curve metric.	spot
`currency`	Yes	3-letter currency code.
`curve_family`	No	Official curve family.	government_nominal

Output Schema

Name	Required	Description	Default
`result`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedNov 9, 2026

changedInput schema / properties / view / description

Previous value: -"Curve view: nodes, slopes, or forwards."New value: +"Curve view: tenor nodes, slopes or forward rates."

addedInput schema / properties / view / enum

Added value: +[
+  "nodes",
+  "slopes",
+  "forwards"
+]

removedInput schema / properties / view / examples

Removed value: -[
-  "nodes",
-  "slopes",
-  "forwards"
-]

Changed5 schema fields changedNov 5, 2026

changedInput schema / properties / currency / examples

Previous value: -[
-  "usd",
-  "eur",
-  "gbp",
-  "jpy"
-]New value: +[
+  "usd",
+  "eur"
+]

removedInput schema / properties / date / anyOf

Removed value: -[
-  {
-    "type": "string"
-  },
-  {
-    "type": "null"
-  }
-]

removedInput schema / properties / date / default
```
Removed value: -null
```

addedInput schema / properties / date / type

Added value: +[
+  "string",
+  "null"
+]

removedInput schema / title
```
Removed value: -"rate_curveArguments"
```

Changed6 schema fields changedSep 7, 2026
- removedInput schema / properties / currency / title
```
Removed value: -"Currency"
```
- removedInput schema / properties / curve_family / title
```
Removed value: -"Curve Family"
```
- removedInput schema / properties / date / title
```
Removed value: -"Date"
```
- removedInput schema / properties / method / title
```
Removed value: -"Method"
```
- removedInput schema / properties / metric / title
```
Removed value: -"Metric"
```
- removedInput schema / properties / view / title
```
Removed value: -"View"
```
AddedJul 21, 2026

TDQS

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